Geological Society of America

1:30 PM

GEOPHYSICAL SIGNATURE OF METEORITE IMPACT CRATERS – FIRST AND SECOND ORDER FOOTPRINTS

Bernd Milkereit, Univ of Toronto, Toronto, ON and Elizabeth L'Heureux, Univ of Toronto, Toronto, ON and Hernan Ugalde, McMaster University, Hamilton, ON

112778 (Technical Sessions)

1:50 PM

ICDP-USGS DEEP DRILLING PROGRAM IN THE CHESAPEAKE BAY IMPACT STRUCTURE, VIRGINIA, USA

Gregory S. Gohn, U.S. Geol Survey, Reston, VA and Ward E. Sanford, United States Geological Survey, Reston, VA and Christian Koeberl, University of Vienna, Vienna, N/A and Kenneth Miller, Rutgers University, Piscataway, NJ and Wolf Uwe Reimold, Humboldt-University in Berlin, Berlin, N/A and Charles Cockell, Open University, Milton Keynes, N/A and Henning Dypvik, Univ of Oslo, Oslo, N/A and Lucy E. Edwards, U. S. Geol Survey, Reston, VA and J. Wright Horton, U.S. Geol Survey, Reston, VA and David S. Powars, U.S. Geol Survey, Reston, VA

109184 (Technical Sessions)

2:10 PM

LATE JURASSIC IMPACT FIRE OF HYDROCARBON SOURCE ROCKS IN THE BARENTS SEA

Henning Dypvik, Univ of Oslo, Oslo, N/A and Wendy S. Wolbach, DePaul University, Chicago, IL and Valery Shuvalov, Russian Academy of Sciences, Moscow, Russia, N/A and Susanna L. Widicus Weaver, University of Illinois, Urbana, IL

108354 (Technical Sessions)

2:30 PM

INSIGHTS INTO THE STRUCTURALLY COMPLEX INNER CRATER OF THE CHESAPEAKE BAY IMPACT STRUCTURE FROM GEOPHYSICS AND DEEP TEST HOLES

David S. Powars, U.S. Geol Survey, Reston, VA and Rufus Catchings, P.O. Box 158 Earthquake Science Center, Moffett Field, CA and Greg S. Gohn, U.S. Geol Survey, Reston, VA and J. Wright Horton, U.S. Geol Survey, Reston, VA and Lucy E. Edwards, U.S. Geol Survey, Reston, VA and David L. Daniels, U.S. Geol Survey, Reston, VA and Herb A. Pierce, U.S. Geol Survey, Reston, VA

114807 (Technical Sessions)

2:45 PM

UPPER EOCENE MICROTEKTITES DISCOVERED IN ALABAMA: A FIRST-ORDER CORRELATION TO THE GPTS

Aimee E. Pusz, Rutgers University, Piscataway, NJ and Kenneth G. Miller, Rutgers University, Piscataway, NJ and James D. Wright, Rutgers University, Piscataway, NJ and James V. Browning, Rutgers University, Piscataway, NJ and Bridget Wade, University College London Department of Earth Sciences, London and Dennis V. Kent, Rutgers Univ. and Lamont-Doherty Earth Observatory, Piscataway, NJ

115235 (Technical Sessions)

3:00 PM

FUTURE DRILLING OF THE CHICXULUB IMPACT CRATER

Joanna V. Morgan, Imperial College London, London, N/A and Jaime Urrutia, N/A and Sean Gulick, The Univ of Texas at Austin, Austin, TX and Gail Christeson, The University of Texas at Austin Jackson School of Geosciences, Austin, TX and Richard Grieve, Natural Resources of Canada, Ottawa, N/A and Mike Warner, Imperial College London, London, N/A and Penny Barton, University of Cambridge, Cambridge, N/A and Mario Rebolledo, CICY, Cancun, N/A and Jay Melosh, Purdue University, West Lafayette, IN

112326 (Technical Sessions)

3:15 PM

SUB-SURFACE ASYMMETRIES OF THE CHICXULUB IMPACT CRATER

Sean Gulick, The Univ of Texas at Austin, Austin, TX and Penny Barton, University of Cambridge, Cambridge, N/A and Gail L. Christeson, Univ of Texas at Austin, Austin, TX and Matthew McDonald, The University of Texas at Austin, Austin, TX and Keren Mendoza, Universidad Autonoma de Mexico, Mexico City, N/A and Joanna Morgan, Imperial College London, London, N/A and Jaime Urrutia, Universidad Autonoma de Mexico, Mexico City, N/A and Mike Warner, Imperial College London, London, N/A

115704 (Technical Sessions)

3:30 PM

STRUCTURE OF CHICXULUB PEAK RING AND SHALLOW CRATER FLOOR FROM NEW SEISMIC DATA

Penny Barton, University of Cambridge, Cambridge, N/A and Anusha Surendra, University of Cambridge, Cambridge, N/A and Hassan Masoomzadeh, University of Cambridge, Cambridge, N/A and Sean Gulick, The Univ of Texas at Austin, Austin, TX and Joanna Morgan, Imperial College London, London, N/A

114014 (Technical Sessions)

3:45 PM

MOHO UPWARPING BENEATH THE CHICXULUB IMPACT CRATER

Gail Christeson, University of Texas, Austin, TX and Sean Gulick, John A. and Katherine G. Jackson School of Geosciences, Austin, TX and Joanna Morgan, Imperial College London, London and Mike Warner, Imperial College London, London, N/A and Penny Barton, University of Cambridge, Cambridge, N/A

115728 (Technical Sessions)

4:00 PM

OBLIQUE IMPACT AND PEAK RING OFFSET: VENUSIAN CRATERS COMPARED TO CHICXULUB

Matthew McDonald, The University of Texas at Austin, Austin, TX and Sean Gulick, The Univ of Texas at Austin, Austin, TX and H. Jay Melosh, Univ of Arizona, Tucson, AZ and Keren Mendoza, Universidad Autonoma de Mexico, Mexico City, N/A

112213 (Technical Sessions)

4:15 PM

MULTIPHASE MODEL OF EJECTA TRANSPORT AWAY FROM EARTH IMPACT CRATERS

Thomas E. Yancey, Texas A&M University, College Station, TX and Renald Guillemette, Texas A&M University, College Station, TX

115575 (Technical Sessions)

4:30 PM

NUMERICAL MODELING OF AERIAL BURSTS AND ABLATION MELTING OF LIBYAN DESERT GLASS

Mark B.E. Boslough, Sandia National Laboratories, Albuquerque, NM

114216 (Technical Sessions)

4:45 PM

THE BOSUMTWI IMPACT STRUCTURE - PETROPHYSICAL AND PALEOMAGNETIC INVESTIGATIONS

Tiiu Elbra, University of Helsinki, Helsinki, N/A and Lauri Pesonen, University of Helsinki, Helsinki, N/A

113774 (Technical Sessions)

5:00 PM

FAULT GEOMETRY AND MECHANICS IN IMPACT STRUCTURES: NEGATIVE INVERSION OF BOUNDING FAULTS IN THE FLYNN CREEK IMPACT STRUCTURE, TENNESSEE

Jonathan C. Evenick, Univ of Tennessee, Knoxville, TN and Robert D. Hatcher, Univ of Tennessee, Knoxville, TN

112856 (Technical Sessions)

5:15 PM

PALEOMAGNETISM OF THE DECATURVILLE IMPACT BRECCIAS AND THE WEAUBLEAU-OSCEOLA STRUCTURE, SOUTHWEST MISSOURI: TESTING THE SERIAL IMPACT HYPOTHESIS

Shannon Dulin, University of Oklahoma, Norman, OK and Richard D. Elmore, University of Oklahoma, Norman, OK

112026 (Technical Sessions)

T44 Impact Craters: Structures, Drilling, Ages, and Geophysics

Presentations